base: Support setting thread priorities generically.

chrome/browser/printing/print_job.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/printing/print_job.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/message_loop.h"
 #include "base/threading/thread_restrictions.h"
@@ skipping 313 matching lines @@
   // manner by the mere fact that the thread will terminate. So the potential
   // deadlock is eliminated.
   worker_->StopSoon();
 
   // Run a tight message loop until the worker terminates. It may seems like a
   // hack but I see no other way to get it to work flawlessly. The issues here
   // are:
   // - We don't want to run tasks while the thread is quitting.
   // - We want this code path to wait on the thread to quit before continuing.
   MSG msg;
-  HANDLE thread_handle = worker_->thread_handle();
+  HANDLE thread_handle = worker_->thread_handle().platform_handle();
   for (; thread_handle;) {
     // Note that we don't do any kind of message prioritization since we don't
     // execute any pending task or timer.
     DWORD result = MsgWaitForMultipleObjects(1, &thread_handle,
                                              FALSE, INFINITE, QS_ALLINPUT);
     if (result == WAIT_OBJECT_0 + 1) {
       while (PeekMessage(&msg, NULL, 0, 0, TRUE) > 0) {
         TranslateMessage(&msg);
         DispatchMessage(&msg);
       }
@@ skipping 47 matching lines @@
 
 PrintedDocument* JobEventDetails::document() const {
   return document_;
 }
 
 PrintedPage* JobEventDetails::page() const {
   return page_;
 }
 
 }  // namespace printing